2489392

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1156

約数の個数: 20

約数和(自身を含む): 4858816

約数和(自身を除く): 2369424

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 991, 1256, 1982, 2512, 3964, 7928, 15856, 155587, 311174, 622348, 1244696, 2489392]

約数ペア:

[(1, 2489392), (2, 1244696), (4, 622348), (8, 311174), (16, 155587), (157, 15856), (314, 7928), (628, 3964), (991, 2512), (1256, 1982)]